1. I like this one. Despite your easily made stuff, I don't look at complexity, I look at how it looks. I love this one as I said. The colours fit well and so does the theme. The text could use an outline or something though, it's again not too clear. 8.5/10
2. Your joking? A good artist like you putting this? A brush stroke with a gradient above it and some textured text? Fit's though I guess... 4.0/10
3.I like what you did here, despite again it being waaaay too simple to do. Brush tap + gradient in this picture is nice, but the peace symbol is clashy as grass growing in a volcano. 6/10 I guess.
Nice, but still a bit to simple.
Overall: 6.15/10 (Rough average

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